------------[ cut here ]------------ WARNING: CPU: 1 PID: 5649 at net/core/dev.c:10876 unregister_netdevice_many_notify+0x13bc/0x1890 Modules linked in: CPU: 1 PID: 5649 Comm: syz-executor.2 Not tainted 6.5.0-rc6-syzkaller-00027-g91aa6c412d7f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 RIP: 0010:unregister_netdevice_many_notify+0x13bc/0x1890 net/core/dev.c:10876 Code: fa c7 3a f9 48 8b 4c 24 28 48 8b 09 4c 39 f1 0f 84 18 01 00 00 48 89 cb e8 d1 f5 e1 f8 48 89 d9 e9 8f f5 ff ff e8 c4 f5 e1 f8 <0f> 0b e9 4b ff ff ff e8 b8 f5 e1 f8 0f 0b eb 9b e8 af f5 e1 f8 c6 RSP: 0018:ffffc90007e96a80 EFLAGS: 00010287 RAX: ffffffff88a9c26c RBX: ffff8880889200a0 RCX: 0000000000040000 RDX: ffffc9000b842000 RSI: 0000000000025d68 RDI: 0000000000025d69 RBP: ffffc90007e96c50 R08: ffffffff88a9c171 R09: 1ffffffff1c97694 R10: dffffc0000000000 R11: fffffbfff1c97695 R12: ffff888088920000 R13: ffff8881407c5790 R14: ffffc90007e96ca0 R15: dffffc0000000000 FS: 00007fbffbffe6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2e925000 CR3: 000000002c788000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: macvlan_device_event+0x7c3/0x850 drivers/net/macvlan.c:1845 notifier_call_chain+0x18c/0x3a0 kernel/notifier.c:93 call_netdevice_notifiers_info net/core/dev.c:1962 [inline] call_netdevice_notifiers_extack net/core/dev.c:2000 [inline] call_netdevice_notifiers net/core/dev.c:2014 [inline] unregister_netdevice_many_notify+0xddb/0x1890 net/core/dev.c:10850 rtnl_delete_link net/core/rtnetlink.c:3214 [inline] rtnl_dellink+0x52a/0x8e0 net/core/rtnetlink.c:3266 rtnetlink_rcv_msg+0x82b/0xf50 net/core/rtnetlink.c:6428 netlink_rcv_skb+0x1df/0x430 net/netlink/af_netlink.c:2549 netlink_unicast_kernel net/netlink/af_netlink.c:1339 [inline] netlink_unicast+0x7c3/0x990 net/netlink/af_netlink.c:1365 netlink_sendmsg+0xa2a/0xd60 net/netlink/af_netlink.c:1914 sock_sendmsg_nosec net/socket.c:725 [inline] sock_sendmsg net/socket.c:748 [inline] ____sys_sendmsg+0x592/0x890 net/socket.c:2494 ___sys_sendmsg net/socket.c:2548 [inline] __sys_sendmsg+0x2b0/0x3a0 net/socket.c:2577 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fbffd47cae9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fbffbffe0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fbffd59bf80 RCX: 00007fbffd47cae9 RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000008 RBP: 00007fbffd4c847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fbffd59bf80 R15: 00007ffd48224bb8